CN105408195A

CN105408195A - Improved pedal and cleat assembly

Info

Publication number: CN105408195A
Application number: CN201480042549.5A
Authority: CN
Inventors: R·M·布赖恩
Original assignee: Speedplay Inc
Current assignee: Wahu fitness Co.
Priority date: 2013-09-16
Filing date: 2014-09-05
Publication date: 2016-03-16
Anticipated expiration: 2034-09-05
Also published as: WO2015038434A8; WO2015038434A1; EP3046829B1; EP3046829A1; ES2766327T3; JP2016530162A; TWI631043B; CN105408195B; TW201529407A; JP6523295B2

Abstract

A pedal and cleat assembly comprises a pedal body having a first end and a second end, a first retainer mounted proximate the first end of the pedal body, and a second retainer mounted proximate the second end of the pedal body. The cleat assembly is configured to be releaseably coupled to the pedal assembly and comprises a cleat body having at least one coupling area, and at least one element shaped to be maintained within or disposed on the coupling area. The at least one coupling area is positioned at a forward or rearward end of the cleat body so that the at least one element can act as a cam surface against the first or second retainer. The at least one element is configured to rotate or articulate when maintained within or disposed on the coupling area to facilitate releasing the cleat assembly from the pedal assembly.

Description

The pedal improved and checkered plate assembly

Technical field

The present invention relates in general to pedal and the checkered plate assembly of improvement, and more specifically, the present invention relates to combination and allows pedal and checkered plate easily to engage under various environmental conditions and the pedal of feature that discharges and checkered plate assembly.

Background technology

Exempt from the checkered plate that clamping pedal (being also referred to as " inserting clip " pedal or " override type " pedal) needs to be installed to the sole of the footwear of jockey, checkered plate is locked to pedal, and therefore footwear is remained to pedal securely.Exempt from clamping pedal and adopt various forms, and be usually suitable for the bicycle such as road cycling and needs that are cross-country or mountain bike of specific type.

To exempting to clamp in all features that pedal expects, easily join checkered plate to pedal and the ability subsequently checkered plate discharge from pedal for bicycle efficiency and safe both extremely important.Easily from the ability of pedal release checkered plate be perhaps prior factor concerning the safety guaranteeing jockey because this allows jockey one or two pin to be put on the ground with bicycle operated or avoided falling.Bicycle and the ambient environment that particularly cross-country or mountain bike meets with often are compromised when being badly in need of from the ability of pedal release checkered plate.

Therefore it is desirable that the checkered plate improved and pedal assembly, it allows pedal and checkered plate easily engage under various environmental conditions and discharge.

Summary of the invention

Be described herein the various embodiments of checkered plate and pedal assembly, which provide the reliable of checkered plate and pedal assembly and be easy to engage and release.Exempt to clamp pedal and be usually designed to have especially for the clamping pedal of exempting from of cross-country use the relatively little checkered plate part be installed in little recess die cavity, this relatively little checkered plate part is structured in the sole of footwear usually.Because checkered plate is relatively little, thus the mating surfaces of checkered plate and pedal assembly during use and joint and deenergized period be in heavily stressed, high load capacity and high rub under.Consider the high request and high application force that are applied to these relative findings, the contact area between checkered plate and pedal by resistance to wear and tear and the material of same anti-grasping (seizing) to make to be important.Therefore, for cross-country use exempt from clamp pedal and expect the failure-free such as (such as, moist, dry) can also be allowed under various environmental conditions to engage and the material of release function is made by not only having the sufficient intensity that can stand mechanical strees.Metal such as hardened steel, brass and the aluminium taken second place and plastics have been applied to the mating surfaces of checkered plate and pedal assembly, have success in various degree.

Metal, particularly hardened steel have been proved to be the preferred material for these mating surfacess.But, contriver has recognized that the metal-contacting surface of checkered plate and pedal assembly can " grasp " or " cold welding ", less desirable bonding to produce between metal-contacting surface, and stop thus and allow checkered plate from two surperficial relative slidings required by pedal release.That is, the friction coefficient (particularly when making moist and stand dirt) between mating surfaces is increased to the point that there is " adhesive friction " between checkered plate and the mating surfaces of pedal.Therefore, and then the ability hindering jockey to depart from from pedal, dangerous situation will be produced to jockey thus.

A solution that the present inventor recognizes is by the mating surfaces of the materials application of different hardness in checkered plate and pedal assembly, participates in joint and the release of checkered plate and pedal.In a preferred embodiment, at least one (even two) in described mating surfaces are greater than the non-metallic material of hardened steel by the observed reading preferably with hardness or stupalith is made.Carbide metal is particularly preferred Material selec-tion.Carbide metal is not only extremely durable and to resistance to wear and anticorrosive, and can also keep low-friction coefficient under various conditions, and can not grasp or cold welding with other metal surfaces or carbide surface.

In a preferred embodiment, pedal and checkered plate assembly are described.Pedal or checkered plate assembly one of them comprise the first retainer and the second retainer, the first retainer and the second retainer be configured to be biased to engage position for couple in pedal or checkered plate assembly another.Another in pedal or checkered plate assembly comprises Part I and Part II, and Part I and Part II are configured to be fixed on engage position releasedly by described first retainer and the second retainer.Part II has the first actuating surface and the second actuating surface.One or two in first retainer and the second retainer is urged into flexion position, to act on the first power on another or the applying that contacts of the outside face by the first actuating surface and the second retainer after, Part I and Part II is allowed to be fixed by the first retainer and the second retainer.One or two in first retainer and the second retainer is configured to be urged into flexion position, with after acted on the second power on another or the applying that contacts by the second actuating surface and in the lateral surfaces of the second retainer, fixing Part II is allowed to discharge from the second retainer.At least one material being greater than hardened steel by the observed reading with hardness in the lateral surfaces of the second actuating surface and the second retainer is made.

According to first aspect, described material comprises carbide metal, and preferably selects from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

According to second aspect, be made up of the material comprising carbide metal for one in the lateral surfaces of the second actuating surface and the second retainer, and another in the second actuating surface and lateral surfaces is made by wrapping metallic material.Preferably, described metal is hardened steel.

According to the third aspect, the lateral surfaces of the second actuating surface and the second retainer is all made up of carbide metal.

According to fourth aspect, described lateral surfaces becomes fillet, inclination or bending, and the second actuating surface has the surface with lateral surfaces complementation.

According to the 5th aspect, the first retainer and the second retainer are provided on pedal assembly, and Part I and Part II are provided on checkered plate assembly.

According to the 6th aspect, the first retainer and the second retainer are biased to engage position.

In the second preferred embodiment, pedal and the checkered plate assembly of another kind of type are described.Pedal or checkered plate assembly one of them comprise retainer part, described retainer is partially configured to and is biased to engage position, with the bonding part being fixedly installed in pedal or checkered plate assembly releasedly on another.Bonding part comprises the first and second actuating surface.Retainer is partially configured to and is urged into flexion position, with after acted on the first power on another or the applying that contacts by the first actuating surface and in the outside face of retainer part, allows bonding part to be kept device partial fixing.Retainer is partially configured to and is urged into flexion position, with after acted on the second power on another or the application that contacts by the second actuating surface and in the lateral surfaces of retainer part, allows bonding part to discharge from retainer part.At least one material being greater than hardened steel by the observed reading with hardness in the lateral surfaces of the second actuating surface and retainer part is made.

According to second aspect, the lateral surfaces of the second actuating surface and retainer part one of them be made up of the material comprising carbide metal, and another in the lateral surfaces of the second actuating surface and retainer part is made by wrapping metallic material.Preferably, described metal is hardened steel.

According to the third aspect, the lateral surfaces of the second actuating surface and retainer part is all made up of carbide metal.

According to fourth aspect, retainer is biased to engage position partially elastically.

In the 3rd preferred embodiment, pedal and the checkered plate assembly of another kind of type are described.Pedal or checkered plate assembly one of them comprise retainer, another for coupling in pedal or checkered plate assembly movably, described retainer comprises first surface.Another in pedal or checkered plate assembly comprises bonding part, and described bonding part is configured to be couple to described retainer movably, and bonding part has second surface.When pedal and checkered plate assembly are coupled to each other, first surface and second surface contact with each other.At least one material being greater than hardened steel by the observed reading with hardness in first surface and second surface is made.

According to second aspect, first surface and second surface one of them be made up of the material comprising carbide metal, and another in first surface and second surface is made by wrapping metallic material.Preferably, described metal is hardened steel.

According to the third aspect, first surface and second surface are all made up of carbide metal.

According to fourth aspect, retainer is the spring being couple to checkered plate assembly movably, and bonding part comprises the cam inserts be arranged in pedal assembly, and described spring is made up of elastic metallic, and cam inserts is made up of carbide metal.

In the 4th preferred embodiment, checkered plate assembly is described.Checkered plate assembly comprises the checkered plate main body with at least one coupling area, and at least one element, and at least one arrangements of components described is for being maintained at least one coupling area or being arranged at least one coupling area.At least one coupling area is positioned in front end or the rear end of checkered plate main body, so that at least one element described can serve as the cam face of the part against bicycle pedal.At least one element described is configured to, when it is maintained at least one coupling area described or rotation or hinged when being arranged at least one coupling area described, be beneficial to discharge described checkered plate assembly from described bicycle pedal.

According to first aspect, at least one coupling area described is at least one recess formed thereon, and the shape of at least one element wherein said is suitable for being received at least one recess described.

According to second aspect, at least one recess described comprises at least two recesses, and at least one element described comprises at least two elements.

According to the third aspect, at least one element described has the shape of substantial cylindrical.

According to fourth aspect, the shape of described substantial cylindrical has circular upper edge.

According to the 5th aspect, when described checkered plate assembly is released from described bicycle pedal, the described rotation of at least one element described or the hinged friction reduced between described checkered plate assembly and described bicycle pedal.

According to the 6th aspect, when described checkered plate assembly is released from described bicycle pedal, the described rotation of at least one element described or to be hingedly beneficial to relative to checkered plate main body described in described bicycle pedal pivotable.

According to the 7th aspect, the material that at least one element described is greater than hardened steel by the observed reading with hardness is made.

According to eighth aspect, described material comprises carbide metal.

According to the 9th aspect, described carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

In the 5th preferred embodiment, pedal and the checkered plate assembly of another kind of type are described.Pedal assembly comprises the pallet body with first end and the second end, the first retainer that the described first end near described pallet body is installed, and the second retainer that described second end of close described pallet body is installed.Checkered plate assembly is configured to be couple to described pedal assembly releasedly.Checkered plate assembly comprises the checkered plate main body with at least one coupling area, and at least one element, and its shape is suitable for being maintained at least one coupling area described or is arranged at least one coupling area described.At least one coupling area described is positioned in front end or the rear end of described checkered plate main body, so that at least one element described can serve as the cam face against described first retainer or the second retainer.At least one element described is configured to, when it is maintained at least one recess described or rotation or hinged when being arranged at least one recess described, be beneficial to discharge described checkered plate assembly from described pedal assembly.

According to first aspect, at least one coupling area described is at least one recess formed in described checkered plate main body.

According to the third aspect, at least one element described has the shape of substantial cylindrical.The shape of described substantial cylindrical has circular upper edge.When described checkered plate assembly is released from described pedal assembly, at least one element described described hinged or rotate the friction reduced between described checkered plate assembly and described pedal assembly.When described checkered plate assembly is released from described pedal assembly, the described rotation of at least one element described or to be hingedly beneficial to relative to checkered plate main body described in described pallet body pivotable.

According to fourth aspect, the material that at least one element described is greater than hardened steel by the observed reading with hardness is made.

According to the 5th aspect, described material comprises carbide metal.Described carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

In the 6th preferred embodiment, provide a kind of checkered plate assembly, it is configured to the downside being attached to footwear, joins bicycle pedal to for being coupled by described footwear.Described checkered plate assembly comprises the checkered plate limiting one or more pedal contact area, described one or more pedal contact area is configured to oppose in opposite directions with pedal surface, each in described one or more pedal contact area all comprises at least one checkered plate part, and the material that described checkered plate part is greater than hardened steel by the observed reading with hardness is made.

According to first aspect, described one or more pedal contact area is plane substantially.

According to second aspect, each in described one or more pedal contact area all comprises the recess with shape, and described checkered plate part be can be positioned on described in there is the element in the recess of shape and substantially flush with described pedal contact area.

According to the third aspect, described pedal contact area is positioned on described checkered plate, to contact described pedal surface along main shaft.

According to fourth aspect, described pedal contact area is positioned on the opposite side of described checkered plate assembly, to contact the described surface on described bicycle pedal along described main shaft in position, inner side and outer side.

According to the 5th aspect, described pedal contact area is arranged near one or two of the front edge of described checkered plate assembly and lagging dege.

According to the 6th aspect, described material comprises carbide metal.

According to the 7th aspect, described carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

In the 7th preferred embodiment, pedal assembly is arranged to the attached checkered plate assembly be arranged on the downside of footwear, joins described footwear to for being coupled by described checkered plate assembly.Described pedal assembly comprises pallet body, described pallet body has the surface of one or more basic plane, described surface comprises checkered plate contact area, described checkered plate contact area is configured to oppose in opposite directions with checkered plate, described checkered plate contact area comprises at least pedal part, and the material that described pedal part is greater than hardened steel by the observed reading with hardness is made.

According to first aspect, described one or more checkered plate contact area comprises the recess with shape, and described pedal part be can be positioned on described in there is the element in the recess of shape and substantially flush with described checkered plate contact area.

According to second aspect, described checkered plate contact area is located along the main shaft of described pedal assembly.

According to the third aspect, described checkered plate contact area is positioned on position, inner side and outer side along described main shaft.

According to fourth aspect, described material comprises carbide metal.

According to the 5th aspect, described carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

In the 8th preferred embodiment, pedal and checkered plate assembly are described.Pedal and checkered plate assembly comprise the pallet body with checkered plate contact area and comprise checkered plate main body, and checkered plate main body is configured to couple joint with described pallet body.Described checkered plate main body has the pedal contact area opposed in opposite directions with described checkered plate contact area.Described checkered plate main body couples to engage make described checkered plate be in direct physical with the appropriate section of pedal contact area to contact to described pallet body.The material that any one or two in each appropriate section of described checkered plate or pedal contact area are greater than hardened steel by the observed reading with hardness is made.

According to first aspect, the material that the described part of described checkered plate assembly is greater than hardened steel by the observed reading with hardness is made.

According to second aspect, the material that the described part of described pedal assembly is greater than hardened steel by the observed reading with hardness is made.

According to the third aspect, the material that two described parts of described pedal and checkered plate assembly are all greater than hardened steel by the observed reading with hardness is made.

According to fourth aspect, described part is along the main shaft orientation of described pedal assembly.

According to the 5th aspect, described material comprises carbide metal.

According to the 6th aspect, described carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

For a person skilled in the art, from following detailed description of the invention, other objects, the feature and advantage of described preferred embodiment will become apparent.But should be appreciated that when indicating the preferred embodiments of the present invention, detailed description of the invention and particular example provide instead of conduct restriction by way of illustration.When not departing from spirit of the present invention, many changes and amendment can be carried out within the scope of the invention, and the present invention includes all such modifications.

Accompanying drawing explanation

By reference to accompanying drawing, preferred and nonrestrictive embodiment of the present invention can be understood easily, wherein:

Fig. 1 is the decomposition diagram of another embodiment of pedal and checkered plate assembly.

Fig. 2 is the transparent view of the checkered plate assembly of Fig. 1.

Fig. 3 is coupled in the pedal of Fig. 1 together and the transparent view of checkered plate assembly with firm engagement.

Fig. 4 A-Fig. 4 B describes the release from pedal assembly of the pedal and checkered plate assembly that couple and checkered plate assembly.

Fig. 5 A-Fig. 5 B is the birds-eye perspective of another embodiment of checkered plate assembly.

Fig. 6 A is the plan view from above of the checkered plate assembly of Fig. 5 A-Fig. 5 B.

Fig. 6 B is the face upwarding view of the checkered plate assembly of Fig. 5 A-Fig. 5 B.

Fig. 7 is the decomposition diagram of another embodiment of pedal and checkered plate assembly.

Fig. 8 A-8B is the pedal of Fig. 7 of assembling and the transparent view of the both sides of checkered plate assembly.

Fig. 8 C is the pedal of Fig. 8 and the plan view from above of checkered plate assembly of assembling.

Fig. 9 A-Fig. 9 B is the decomposition diagram of the both sides of the checkered plate assembly of Fig. 7.

Figure 10 is the decomposition diagram of the pedal assembly of Fig. 7.

Figure 11 is spring that checkered plate assembly is shown and the planar view of joint being arranged on the cam member in pedal assembly.

Figure 12 A is the birds-eye perspective of another embodiment of checkered plate assembly, illustrated therein is the element of two kinds of shapes in the recess being received in the correspondingly-shaped be formed in checkered plate main body.

Figure 12 B is the birds-eye perspective of the checkered plate assembly of Figure 12 A, wherein eliminates the element of two kinds of shapes to illustrate the recess of the described shape formed in checkered plate main body.

Figure 12 C is the face upwarding view of the checkered plate assembly of Figure 12 A.

Figure 12 D is the left side elevation view of the checkered plate assembly of Figure 12 A.

Figure 12 E is the plan view from above of the checkered plate assembly of Figure 12 A.

Figure 13 A is the birds-eye perspective of the embodiment of annular checkered plate main body.

Figure 13 B is the face upwarding view of the checkered plate main body of Figure 13 A.

Figure 13 C is the plan view from above of the checkered plate main body of Figure 13 A.

Figure 13 D is the section drawing of checkered plate main body of Figure 13 A intercepted along the line 13D-13D in Figure 13 A.

Figure 13 E is another birds-eye perspective of the checkered plate main body of Figure 13 A.

Figure 13 F is the section drawing of checkered plate main body of Figure 13 A intercepted along the line 13F-13F in Figure 13 E.

Figure 13 G is the face upwarding view of the checkered plate main body of Figure 13 A.

Figure 14 A is the transparent view of the embodiment of cylindrical elements for checkered plate assembly.

Figure 14 B is the lateral plan of the cylindrical elements of Figure 14 A.

Figure 14 C is the plan view from above of the cylindrical elements of Figure 14 A, and wherein face upwarding view is identical with plan view from above.

Figure 15 A is the decomposition diagram of the embodiment of pedal assembly and checkered plate contact member.

Figure 15 B is the transparent view of the pedal assembly of Figure 15 A, and wherein checkered plate contact member is fixed thereon.

Figure 15 C is the decomposition diagram of the embodiment of checkered plate assembly and pedal contact member, and checkered plate assembly corresponds to the pedal assembly of Figure 15 A-15B.

Figure 15 D is the transparent view of the checkered plate assembly of Figure 15 A, and wherein pedal contact member is fixed thereon.

Figure 16 A is the decomposition diagram of the embodiment of pedal assembly and checkered plate contact member.

Figure 16 B is the transparent view of the pedal assembly of Figure 16 A, and wherein checkered plate contact member is fixed thereon.

Figure 16 C is the decomposition diagram of the embodiment of checkered plate assembly and pedal contact member, and checkered plate assembly corresponds to the pedal assembly of Figure 16 A-16B.

Figure 16 D is the transparent view of the checkered plate assembly of Figure 16 A, and wherein pedal contact member is fixed thereon.

Some views that identical mark runs through accompanying drawing refer to identical part.

Detailed description of the invention

Specific non-limiting example of the present invention is described with reference to accompanying drawing.It should be understood that these embodiments are only way of example and are only illustrative, and be a small amount of embodiment in the scope of the invention.That obvious various change and amendment are considered within spirit of the present invention, scope and intention for those skilled in the art of the invention, as limited further in the following claims.

With reference now to illustrative embodiments, the various embodiments of bicycle pedal and checkered plate assembly are described and are illustrated.The checkered plate assembly described in this article is designed to be fixed on the downside of the sole (not shown) of the footwear of jockey, and is configured to be attached to bilateral or many sides pedal assembly.Because pedal assembly from opposite side (such as, bilateral or many sides) in any side all accessible, so checkered plate assembly can be fixed to any side of the both sides of pedal assembly releasedly, thus avoid and need " correction " pedal before checkered plate assembly is attached to pedal.In the various embodiments discussed herein, be described in the drawings and describe right-side pedal/checkered plate assembly or left pedal/checkered plate assembly, should understand, pedal assembly is only mirror image each other.Although preferred embodiment comprises bilateral pedal assembly, but be understood that, the pedal assembly described in this article and describe also may be implemented as the pedal assembly only with one-sided or many sides (such as, four sides), and this pedal assembly is configured to fix checkered plate assembly releasedly.

Fig. 1-4 describes the embodiment of pedal and checkered plate assembly.The sequence number that the 1 day November in 2010 that the basic element of character of checkered plate assembly 200 and component class are similar to pending trial simultaneously submits to is U.S.12/917, the checkered plate described in " pedal-checkered plate assembly " (Pedal-CleatAssembly) of 322, full content in wherein said patent application is incorporated herein by reference, as set forth completely herein.Checkered plate assembly 200 totally comprises the checkered plate main body 210 of general toroidal shape, and the checkered plate main part limitation of general toroidal shape forward direction checkered plate protrudes 212a and backward checkered plate protrudes 212b.Forward direction checkered plate protrudes 212a and backward checkered plate and protrudes 212b and be dimensioned and be configured to engage with the forward direction checkered plate retainer 280a of pedal assembly 250 and backward checkered plate retainer 280b and kept by the forward direction checkered plate retainer 280a of pedal assembly 250 and backward checkered plate retainer 280b respectively.In the embodiment shown in Fig. 1-Fig. 4, the profile of forward direction checkered plate retainer 280a can correspond to backward protrusion 212a, and more specifically, has the insert 220a of shape corresponding to forward direction.Screw 230 is for together with being coupled in the various parts of checkered plate assembly 200, such as checkered plate main body 210, partition 240, disc body (not shown) and chassis 232, and these checkered plate assembly 200 parts are directly installed on the downside of the sole (not shown) of the footwear of jockey by screw 230 securely.

Checkered plate assembly 200 comprises extra structure, these structures allow main checkered plate main body 210 and its forward direction protrusion 212a and backward protrusion 212b to rotate relative to the footwear of jockey the finite quantity selected around checkered plate S. A. under checkered plate assembly 200 and pedal assembly 250 do not have separative situation, and wherein checkered plate S. A. is approximately perpendicular to sole.This provide float angle, precision mechanism publication number disclosed in 3 days April in 2012 of float angle is the sequence number of U.S.2012-0103131 is U.S.12/917,322 be called in the patent application of " pedal-checkered plate assembly " (Pedal-CleatAssembly) is described, and the full content in described patent application is incorporated to herein with its entirety by reference.

Pedal assembly 250 is illustrated and comprises elongated main shaft 270.One end of elongated main shaft 270 is configured to couple with bicycle crank (not shown) and laterally projecting from bicycle crank.The other end of elongated main shaft 270 is coupled to pallet body 260, and wherein pallet body has identical top checkered plate base for supporting and bottom checkered plate base for supporting.In Fig. 1 and Fig. 3, top checkered plate base for supporting is depicted as and comprises forward direction checkered plate retainer 280a and backward checkered plate retainer 280b, to be formed for receiving and keeping forward direction checkered plate to protrude the seat of 212a and backward checkered plate protrusion 212b.

One or two in forward direction checkered plate retainer 280a and backward checkered plate retainer 280b can be pivotally mounted to pallet body.In the embodiment described in Fig. 1 and Fig. 3, backward checkered plate retainer 280b is fixed relative to checkered plate main body, and forward direction checkered plate retainer 280a is pivotally mounted to backward checkered plate retainer 280b and be biased by the spring towards backward checkered plate retainer 280b.The controlled controllability being applied to the spring Offset of forward direction checkered plate retainer 280a is provided by set screw 290.Controllably turning adjusting screw 290 tensioning or lax spring tension effectively, to provide the controllable adjustment of spring tension.

Be understood that, also the layout contrary with the layout described in Fig. 1 and Fig. 3 can be provided, wherein forward direction checkered plate retainer 280a is fixed relative to checkered plate main body, and backward checkered plate retainer 280b is pivotally mounted to forward direction checkered plate retainer 280a and be biased by the spring towards forward direction checkered plate retainer 280a.Alternatively, forward direction checkered plate retainer 280a and backward checkered plate retainer 280b can be pivotally mounted to each other and be biased by the spring toward each other.

Referring back to the embodiment described in Fig. 1-Fig. 4, in a preferred embodiment, forward direction checkered plate retainer 280a and forward direction protrude 212a (and/or forward direction has the insert 220a of shape) one of them are formed by hardened steel, and another material being greater than hardened steel by the observed reading of hardness that forward direction checkered plate retainer 280a and forward direction protrude in 212a (and/or forward direction has the insert 220a of shape) is made.Alternatively or additionally, backward checkered plate protrudes 212b (and/or backward insert 220b with shape) and backward checkered plate retainer 280b, and one of them is formed by hardened steel, and another material being greater than hardened steel by the observed reading of hardness that backward checkered plate protrudes in 212b (and/or backward insert 220b with shape) and backward retainer 280b is formed.

Any one in some observed readings of hardness may be used to determine the relative hardness of material relative to hardened steel, such as, and Mohs' scale of hardness, Vickers hardness, ball hardness etc.No matter which kind of method of measurement, as long as be characterised in that any material that the observed reading with hardness is greater than hardened steel can be applicable material, for one group of mating surfaces one of them or all.Such as, hardened steel is roughly characterised in that the Mohs' scale of hardness having and be about 7.0.Therefore, any material with the Mohs' scale of hardness being greater than 7.0 be all suitable for mating surfaces one of them or all.

Non-metal, such as pottery and more preferably carbide metal represent a type of this applicable material.Carbide metal be usually characterised in that have be 9 or higher Mohs' scale of hardness and comprise carborundum, boron carbide, carbonized tungsten and titanium carbide.Carbide metal is preferred, because their feature is very hard, non-friable, anticorrosive and opposing and other surfaces when there is friction bonding.

Therefore, in a preferred embodiment, described material has the Mohs' scale of hardness higher than 7.0 and is made up of non-metallic material or carbide metal, preferably selects from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

At least one (even two) of relating in the joint of checkered plate and pedal assembly or two frictional contact surface of release in this rule are greater than hardened steel (such as by the observed reading of hardness, be greater than the Mohs' scale of hardness of 7.0) material make, preferred non-metal or carbide metal, preferably select from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

The frictional contact surface relating to the joint of checkered plate and pedal assembly comprises following a pair or two right: (1) forward direction checkered plate protrudes the surface towards outside of 212a (basal surface or the first actuating surface) and forward direction checkered plate retainer 280a, and the surface towards outside of (2) backward checkered plate protrusion 212b (basal surface 214 or the first actuating surface) and backward checkered plate retainer 280b.

The frictional contact surface relating to the release of checkered plate and pedal assembly comprises following a pair or two right: (1) forward direction checkered plate protrudes the lateral surfaces of 212a and/or it has the insert 220a (the second actuating surface) of shape and the lateral surfaces of forward direction checkered plate retainer 280a, and the lateral surfaces of (2) backward checkered plate protrusion 212b and/or its there is the insert 220b (the second actuating surface) of shape and the lateral surfaces 282 of backward checkered plate retainer 280b.

A kind of application of this rule avoids making two mating surfacess use identical metallic material, to avoid grasping between two kinds of metals, produce the problem of cold welding or gluing of surfaces.In addition, mating surfaces must have enough intensity and durability to resist wearing and tearing and to tear.

The backward checkered plate of checkered plate assembly 200 protrude shape that 212b is depicted as the first actuating surface 214, first actuating surface comprising inclination be designed to when the first actuating surface 214 contact backward retainer 280b outside face and rear on the outside face of retainer 280b, apply downward power or contact time (on the direction perpendicular to axle A) be beneficial to the backward joint protruding 212b.This corresponds to by the first actuating surface 214 in rear the first power of applying on the outside face of retainer 280b or contact, to impel one or two arrival flexion position in forward direction checkered plate retainer 280a and backward checkered plate retainer 280b, protrude 212b to allow forward direction checkered plate protrusion 212a and backward checkered plate and fixed by forward direction checkered plate retainer 280a and backward checkered plate retainer 280b.

In the pedal assembly 250 described in Figs. 1-4, only have forward direction checkered plate retainer 280a to be moveable, be in flexion position to provide forward direction checkered plate retainer 280a and backward checkered plate retainer 280b.Backward checkered plate protrudes 212b and is suitably tilted with at least one abutment surface in backward checkered plate retainer 280b or become fillet, makes downward pressure (perpendicular on the direction of A) force forward direction checkered plate retainer 280a to be biased against the flexing of retaining part in the forward direction.Cross (clear) once backward checkered plate protrudes 212b and be snapped in the position below backward checkered plate retainer 280b, then forward direction checkered plate retainer 280a spring is biased and turns back to engagement state.

In addition, at least one (even two) in the outside face of the first actuating surface 214 and/or backward checkered plate retainer 280b are made up of the material harder than hardened steel, and are more preferably made up of carbide material.

As further shown in Figure 2, backward protrusion 212b comprise there is for a pair shape insert 220b to be couple to the recess 224b of correspondingly-shaped, the recess 224b of correspondingly-shaped is formed and is comprised in by the die cavity formed on the downside of the sole (not shown) of the footwear of the rear jockey coupled to the edge and checkered plate assembly 200 that protrude 212b on the opposition side of the first actuating surface 214 tilted.The insert 220b with shape for driving pedal assembly 250, and or rather, drives forward direction checkered plate retainer 280a and backward checkered plate retainer 280b from engage position to flexion position as cam face.The material that the insert 220b with shape is preferably greater than hardened steel by the observed reading of hardness is made, and more preferably, is made up of carbide material.This allows a part of backward retainer 280b to be made up of carbide material or other materials be applicable to.

Fig. 4 A-4B depicts the order discharging backward protrusion 212b (Fig. 4 B) from the checkered plate coupled and pedal assembly (Fig. 4 A).As shown in Figure 4 A, forward direction has the insert 220a of shape and the backward lateral surfaces with the insert 220b of shape as cam face, to allow to actuate forward direction retainer and backward retainer when B rotates checkered plate assembly 200 clockwise or counterclockwise by forcing checkered plate assembly that is fixing or that engage is separated from pedal assembly by away from each other.Forward direction checkered plate retainer 280a and backward checkered plate retainer 280b wherein one or two be configured to be urged into flexion position with when the second actuating surface represented by the backward insert 220b with shape and backward retainer 280b lateral surfaces one of them apply the second power on the other in directionb or contact time, allow fixing forward direction checkered plate to protrude 212a and backward checkered plate and protrude 212b and be released.

Backward retainer 280b has the edge 282b of shape, and the edge 282b with shape is corresponding to the engagement edge of insert 220b with shape.The insert 220b with shape is angled, make to be applied to pivotal force on either direction B or motion to cause the forward direction checkered plate of checkered plate assembly to protrude 220a and the backward checkered plate cam face protruded on 220b to force and actuate corresponding forward direction checkered plate retainer 280a and backward checkered plate retainer 280b to flexion position, be separated from each other by the direction shown in A, the flexing against spring is in the opposite direction biased.Finally, two checkered plate retainers 280a, 280b will be spaced apart fully, and two that keep to discharge them protrude 212a, 212b.This releases checkered plate assembly 200 from pedal assembly 250.

In this dispose procedure, in order to adapt to the rotary motion B of checkered plate assembly 200 relative to pedal assembly 250, the insert 220a that forward direction has shape can be bending or semi-round.In a preferred embodiment, forward direction have in the insert 220a of shape and at least mating surfaces of forward direction checkered plate retainer 282a one or two be made up of carbide metal.In a preferred embodiment, between the mating surfaces of insert 220a, 220b with shape and the mating surfaces of forward and backward retainer 282a, 282b, very accurate tolerance is each provided.In the embodiment that Fig. 1-Fig. 4 describes, the insert 220a that forward direction has a shape has into the surface of fillet, the respective surfaces 282a of this surface contact forward direction checkered plate retainer 280a.The backward insert 220b with shape has angled surface, and this surface contacts with the corresponding angled surperficial 282b of backward checkered plate retainer 280b.

Fig. 5-Fig. 6 depicts another embodiment of checkered plate assembly 300.As the checkered plate assembly 200 described with reference to Fig. 3-Fig. 6 and describe, the checkered plate assembly 300 of Fig. 5-Fig. 6 is comprised checkered plate main body 310, partition 340, is fixed together and is fixed to disc body (not shown) and the chassis 332 of the downside of the footwear (not shown) of jockey by pair of screws 330.Backward protrusion 312b also comprises the first actuating surface 314 of inclination.Checkered plate assembly 300 can be used in the mode identical with checkered plate assembly 200 with the connection pedal assembly 250 described in Figs. 1-4.Therefore, relative to the pedal assembly 250 described in Fig. 1-Fig. 4, checkered plate assembly 300 can exchange with checkered plate assembly 200.

But, the checkered plate assembly 300 described in Fig. 5-Fig. 6 forward direction protrude 312a and rear to protrude 312b configuration in be different from checkered plate assembly 200.First, this forward direction protrudes 312a and does not comprise the insert with shape, and the second, this backward protrusion 312b comprises the single insert 320 with shape, and this single insert with shape covers three transverse sides of the die cavity 322b limited by backward protrusion 312b.The shape of abutment surface of the insert 320 and backward protrusion 312b with shape is designed (see Fig. 5 B, at 323,325 places) the insert 320 with shape to be fixedly mounted in the having in the part of shape of the correspondence in die cavity 322a.It should be understood that and to engage and the shape coupling the backward retainer 280 of checkered plate assembly 300 is designed to be assemblied in the die cavity 322b that limited by the insert 320 with shape be assemblied in backward protrusion 312b.In a preferred embodiment, the shape of backward retainer 280b is designed to form accurate tolerance with the abutment surface 321 of insert 320.

Therefore, in the embodiment that Fig. 1-Fig. 4 describes, pedal assembly 250 is described to comprise forward direction retainer 280a and backward retainer 280b, and checkered plate assembly 200 is described to comprise forward direction protrusion 212a and backward protrusion 212b.But, it should be understood that corresponding mechanism can be converted, make pedal assembly 250 comprise forward direction and protrude 212a and backward protrusion 212b, and checkered plate assembly 200 comprises forward direction retainer 280a and backward retainer 280b.

In the embodiment that Fig. 5-Fig. 6 describes, the first actuating surface 314 of checkered plate assembly and the backward checkered plate retainer 280b of pedal assembly are forced to contact with each other, to complete the joint of checkered plate and pedal assembly.By in directionb relative to pedal assembly 250 rotation grip board component 200 to such an extent as to after the rotary motion of B, formed between the lateral surfaces 321 and the rear edge surface 282b to checkered plate retainer 280b of the insert 320 with shape of checkered plate assembly and force contact, thus the checkered plate assembly 200 engaged can discharge from pedal assembly 250, realizes the release of checkered plate and pedal assembly thus.

In order to ensure checkered plate assembly, the mechanism to the joint of pedal assembly and release carries out reposefully and does not obviously interrupt, at least one group in two groups of mating surfacess preferably by having the sufficient intensity of opposing repeated application of force and allowing the material of the enough low friction coefficient of the pulsation-free relative sliding of mating surfaces to make, wherein first group of two groups of mating surfacess comprises the first actuating surface 314 and outside face 280b, and second of two groups of mating surfacess group comprises the insert 320 with shape of checkered plate assembly and the edge surface 282b of backward checkered plate retainer 280b.Obviously, under various conditions such as when moist or dirty, material must keep these characteristics.

In a preferred embodiment, one or two material being greater than hardened steel by the observed reading with hardness in moving contact surface is made.Any one in the observed reading of some hardness may be used to the relative hardness determining material and hardened steel, such as Mohs' scale of hardness, Vickers hardness, ball hardness etc.No matter which kind of method of measurement, as long as be characterised in that any materials that the observed reading with hardness is greater than hardened steel can be the material be applicable to for one or two in one group of mating surfaces.Such as, hardened steel is characterised in that the Mohs' scale of hardness having and be approximately 7.0 usually.Therefore, any material having the Mohs' scale of hardness being greater than 7.0 is all applicable to one or two mating surfaces.

Non-metal, such as pottery, and more preferably, carbide metal represents a type of this applicable material.Carbide metal be usually characterised in that have be 9 or higher Mohs' scale of hardness and comprise carborundum, boron carbide, carbonized tungsten and titanium carbide.Carbide metal is preferred, because their feature is to have great hardness, non-friable, withstanding corrosion and opposing and other surface adhesive when there is friction.

With reference now to the specific embodiment that Fig. 5-Fig. 6 describes, the material that the insert 320 with shape is preferably greater than hardened steel by the observed reading with hardness is made, and be preferably made up of carbide material, and the remainder of backward protrusion 312b is made of metal, and is preferably made up of hardened steel.

Usually, one or two having in the insert 320 of shape and/or the second checkered plate retainer 280 is made up of the material having hardness and be greater than hardened steel.In two mating surfacess only in an embodiment be made up of carbide metal, preferably, there is the insert 320 of shape.Another in two mating surfacess can be made up of the metal being applicable to or plastics, is preferably hardened steel.

Fig. 7-11 depicts another embodiment of checkered plate assembly 400 and pedal assembly 450.Checkered plate assembly 400 comprises chassis 410, and chassis 410 is preferably made up of light material such as plastics, and chassis 410 is configured to the sole (not shown) being fixed to footwear by extend through the screw 440 of three elongated open.Checkered plate assembly 400 comprises spring housing 420 and base plate 430 further, and spring housing 420 is preferably made of plastics, and base plate 430 is preferably made of metal, such as aluminium or steel, spring housing and base plate by four screws 422 by together be fixed to chassis 410.Spring housing 420 and base plate 430 collectively define circular central opening (see Fig. 9 A-Fig. 9 B), and the size and dimension of circular central opening is designed to receiving unit pedal assembly 450.Spring or retainer part 490 are installed between spring housing 420 and base plate 430, to engage pedal assembly 450 releasedly when checkered plate assembly 400 is positioned in above pedal assembly 450.

Pedal assembly 450 is roughly dish types and symmetrical along bisecting plane, and pedal assembly defines upside (engaging with checkered plate 400) and identical downside (do not engage with checkered plate 400 and by ' indicate).This configuration allows checkered plate to be attached to the either side of pedal releasedly.Pedal 450 comprises the pallet body 472 of dish type, for being attached to pedal crank (not shown) via main shaft 470.Pallet body 472 is fixed in the shallow concave recess that the insert 460 of the bow tie of plane is positioned in the same shape be formed in the flat outer surface of pallet body by screw 462.Insert 460 diametrically extends through whole outside face, and the outside face of the upper surface of insert and pallet body is coplanar.

Trip edge 484a, the 484b with recess form are limited in pallet body 472, below opposite end 482a, 482b of plane insert 460.Trip edge 484a, 484b are configured and size is designed to be engaged by the part of checkered plate assembly 400, releasedly checkered plate assembly 400 is fixed to pedal assembly 450.Cam inserts 480a and 480b to be positioned at below corresponding opposite end 482a, 482b and to be fixed on recess 481a, 481b of analogous shape.Cam inserts 480a and 480b is limited in working in coordination with in the recess of these analogous shapes and with the spring 490 of checkered plate assembly 400 being beneficial to the easily release of checkered plate assembly 400 from pedal assembly 450 by the fixing plane insert 460 covered.

Figure 11 describes spring 490 and the relation between cam inserts 480a, 480b when checkered plate assembly 400 is coupled to pedal assembly 450.At this, shape of a hoof spring 490 is depicted as and is in engage position, in this position, it is resiliently biased, and shape of a hoof spring 490 comprises forward arm 492a and backward arm 492b, forward arm 492a and backward arm 492b to be configured to engage pedal assembly 450 respectively below opposite end 482a, 482b.Especially, being received in respectively in the recess of correspondingly-shaped of cam inserts 480a, 480b to projecting inward 494a, 494b of forward arm and backward arm 492a, 492b.After spring 490 engages with cam inserts 480a, 480b of pedal assembly 450, checkered plate assembly 400 rotates freely limited degree with anticlockwise direction along clockwise direction relative to pedal.During this limited rotation, spring 490 keeps being locked to pedal assembly 450, and the remainder of checkered plate assembly 400 rotates relative to spring 490.When ratchet (finger) 498 from the protruding arrival of the mid point of spring two adjustable set screws 424a, 424b one of them time, rotation amount can be limited.By set screw, float angle (floatangle) can be increased or decreased.

The downside to projecting inward 494a, 494b of spring defines the first spring actuated surface contacted with opposite end 482a, 482b of pedal assembly 450 respectively before checkered plate assembly 400 is fixed to pedal assembly 450.In a preferred embodiment, the shape of the mating surfaces of opposite end 482a, 482b of the first spring actuated surface and pedal assembly is designed to be beneficial to spring 490 through the sliding motion of opposite end 482a, 482b and actuates forward arm and backward arm 492a, 492b are separated into spring flexion position.In order to this object, mating surfaces can have complementary fillet or angled inclined surface.Once forward arm and backward arm 492a, 492b cross (clear) opposite end 482a, 482b respectively, spring 490 is snapped to engage position, thus checkered plate assembly 400 is fixed to pedal assembly 450.

Spring to projecting inward 494a, 494b also comprise transversely surface limit second spring actuated surperficial 496.Second spring actuated surperficial 496 is configured and shape is designed to be received in the groove that limited by cam inserts 480a, 480b, further checkered plate assembly 400 is fixed to pedal assembly 450.Checkered plate assembly 400 relative to pedal assembly 450 in any direction in rotation all cause second spring actuated surperficial 496 contact cam inserts 480a, 480b and actuate forward arm and backward arm 492a, 492b are separated into spring flexion position.In order to this object, second spring actuated surperficial 496 can be designed as to be beneficial to the shape of the mating surfaces of cam inserts 480a, 480b and shifts out to projecting inward 494a, 494b the groove limited by cam inserts 480a, 480b, be separated into spring flexion position and the release allowing spring 490 thus to actuate forward arm and backward arm 492a, 492b, and therefore checkered plate assembly 400 discharges from pedal assembly 450.

In a preferred embodiment, spring 490 is made up of durable and elastomeric material.In a preferred embodiment, spring 490 is made up of hardened steel, and the material that cam inserts 480a, 480b are greater than hardened steel by the observed reading of hardness makes (such as, Mohs' scale of hardness is greater than 7.0), is preferably above-mentioned carbide material.

Any one in the observed reading of some hardness can be used to the relative hardness determining material and hardened steel, such as Mohs' scale of hardness, Vickers hardness, ball hardness etc.No matter which kind of method of measurement, is characterised in that any material that the observed reading with hardness is greater than hardened steel can be the material be applicable to for one or two in one group of mating surfaces.Such as, hardened steel is characterised in that the Mohs' scale of hardness having and be about 7.0 usually.Therefore, any materials with the Mohs' scale of hardness being greater than 7.0 be all applicable in mating surfaces one or two.

Non-metal, such as pottery, and more preferably carbide metal represents a type of this applicable material.Carbide metal be usually characterised in that have be 9 or higher Mohs' scale of hardness and carbide metal comprises carborundum, boron carbide, carbonized tungsten and titanium carbide.Carbide metal is preferred, because their feature is to have high hardness, non-friable, withstanding corrosion and opposing and other surface adhesive when there is friction.

Figure 12 A-12E describes the embodiment of the checkered plate assembly 500 for being attached to footwear on the left of jockey, for being attached to the mirror image that the checkered plate assembly of footwear on the right side of jockey is checkered plate assemblies 500.Checkered plate assembly 500 comprises the checkered plate main body 510 of general toroidal shape, and the checkered plate main body 510 of this annular shape defines forward direction checkered plate and protrudes 512a and backward checkered plate protrusion 512b.The size that forward and backward checkered plate protrudes 512a, 512b is designed and is configured to engage corresponding forward and backward checkered plate retainer 280a, 280b of pedal assembly 250 (Fig. 1) and kept by described forward and backward checkered plate retainer 280a, 280b.Forward direction checkered plate retainer 280a can correspond to forward direction checkered plate protrusion 512a by profile, and more particularly, has the insert 520a of shape corresponding to the forward direction checkered plate forward direction protruded on 512a.The various parts of checkered plate assembly 500 are coupled in together by screw 530, such as, and checkered plate main body 510, partition 540, disc body 542 and chassis 532.These checkered plate assembly 500 parts are directly installed on the downside of the sole (not shown) of the footwear of jockey by screw 530.

In a preferred embodiment, forward direction checkered plate retainer 280a and forward direction checkered plate protrude 512a (and/or forward direction has the insert 520a of shape) one of them are formed by hardened steel, and another material being greater than hardened steel by the observed reading of hardness that forward direction checkered plate retainer 280a and forward direction checkered plate protrude in 512a (and/or forward direction has the insert 520a of shape) is made.Alternatively or additionally, backward checkered plate protrudes 512b (and/or backward insert 520b, 521b with shape) and backward checkered plate retainer 280b, and one of them is formed by hardened steel, and another material being greater than hardened steel by the observed reading of hardness that backward checkered plate protrudes in 512b (and/or backward insert 520b, 521b with shape) and backward checkered plate retainer 280b is formed.

The frictional contact surface relating to the joint of checkered plate and pedal assembly comprises following a pair or two right: (1) forward direction checkered plate protrude 512a (basal surface or the first actuating surface) and forward direction checkered plate retainer 280a towards outer surface; And (2) backward checkered plate protrude 512b (basal surface 514 or the first actuating surface) and backward checkered plate retainer 280b towards outer surface.

The frictional contact surface relating to the release of checkered plate and pedal assembly comprises following a pair or two right: (1) forward direction checkered plate protrudes the lateral surfaces of 512a and/or it has the element 520a (the second actuating surface) of shape and the lateral surfaces of forward direction checkered plate retainer 280a; And (2) backward checkered plate protrudes the lateral surfaces of 512b and/or it has element 520b, 521b (the second actuating surface) of shape and the lateral surfaces 282 of backward checkered plate retainer 280b.

The backward checkered plate of checkered plate assembly 500 protrudes the first actuating surface 514 that 512b comprises inclination, the shape of the first actuating surface 514 of inclination after the first actuating surface 514 contacts to the outside face of checkered plate retainer 280b and rear on the outside face of checkered plate retainer 280b, apply downward power or contact time be conducive to after to protrude the joint of 512b to checkered plate.This corresponds to by the first actuating surface 514 in rear the first power of applying on the outside face of checkered plate retainer 280b or contact, to actuate one or two in forward and backward checkered plate retainer 280a, 280b to flexion position, thus allow forward and backward checkered plate to protrude 512a, 512b to be fixed by forward and backward checkered plate retainer 280a, 280b.

Backward checkered plate protrudes 512 and comprises element 520b, the 521b a pair with shape, element 520b, the 521b a pair with shape are received in recess 524b, 525b of correspondingly-shaped, and described recess 524b, 525b are formed and be comprised in die cavity from the sole (not shown) of the footwear of the jockey that the edge of 512b and checkered plate assembly 500 couple to checkered plate that formed by rear downside of protruding on the opposite side of the first actuating surface 514 tilted.Element 520b, the 512b with shape serve as cam face for driving pedal assembly 250, and or rather, drive forward and backward checkered plate retainer 280a, 280b from engage position to flexion position.The material that element 520b, the 521b with shape are preferably greater than hardened steel by the observed reading with hardness is made, and more preferably, is made up of carbide material.This allows a part of backward checkered plate retainer 280b to be made up of carbide material or other materials be applicable to.

Figure 12 A is the birds-eye perspective of checkered plate assembly 500, shows element 520b, 521b that two of being received in recess 524b, 525b of correspondingly-shaped have shape.Figure 12 B is the birds-eye perspective of checkered plate assembly 500, eliminates element 520b, 521b that two have shape, to illustrate recess 524b, the 525b with shape.As shown in Figures 12 A and 12 B, the element 520b with shape on the release side, inside (left side in Figure 12 A and 12B) of checkered plate assembly 500 has general triangular shape with the recess 524b with shape, is similar to having the insert 220b of shape and having the recess 224b of shape shown in Fig. 2.In contrast, the element 521b with shape on the release side, outside (right side of Figure 12 A and Figure 12 B) of checkered plate assembly 500 has circular or columniform shape with the recess 525b with shape.

In one embodiment, the element 521b with shape has the shape of the substantial cylindrical with circular edge.When cylindrical elements 521b is received in the recess 525b with shape, it is configured to enclose and pivots or hinged, is beneficial to from bicycle pedal release checkered plate assembly 500.Rotate or hinged reduction or eliminate the cliding friction between element and the lateral surfaces 282 of backward checkered plate retainer 280b when checkered plate assembly discharges from bicycle pedal with shape.Cliding friction is scrolled resistance and replaces, and rolling resistance makes jockey easier relative to bicycle pedal pivotable checkered plate assembly 500, so that from pedal release checkered plate assembly 500.

In one embodiment, checkered plate assembly 500 has element 520b and 521b with shape of two types.In other embodiments, checkered plate assembly 500 has the recess 524b (being similar to Fig. 1-4) of two leg-of-mutton element 520b and two correspondingly-shaped, or has the recess 525b of two cylindrical elements 521b and two correspondingly-shaped.

In one embodiment, little brass shim spacer around cylindrical elements 521b, with rotation or hinged period better lubrication is provided.

Figure 13 A-13G describes the embodiment of the checkered plate main body 610 of the annular shape of the right side shoe pattern formula for checkered plate assembly 500.There is recess 624b, 625b of shape corresponding to recess 524b, the 525b with shape in Figure 12 A-12E.

Figure 14 A-14C describes the embodiment of the cylindrical elements 521b for checkered plate assembly 500.Cylindrical elements comprises core 592, top circular edge 594 and bottom circular edge 596.When top circular edge 594 is received in the recess 525b with shape (Figure 12 B), top circular edge 594 engages the lateral surfaces 282 of backward checkered plate retainer 280b.

Figure 15 A-15D depicts an embodiment of pedal assembly and checkered plate assembly, and wherein pedal assembly 450 comprises pallet body 472, and pallet body 472 has the checkered plate contact member 478 arranged along principal axis A-A.The power of the maximum applied by checkered plate 400 when checkered plate 400 is coupled to pallet body 470 is stood in the region 474 pallet body corresponding to principal axis A-A usually.When being applied to pallet body 472 to down stroke, this power is normally maximum.Therefore, checkered plate contact member 478A and corresponding pedal contact member 478B is provided, to reduce the wearing and tearing stood by contact pedal and checkered plate surface.In a preferred embodiment, checkered plate contact member 478A is coupled in recess 476, recess 476 is arranged on the surface of pallet body 472 along principal axis A-A, and pedal contact member 478B is coupled in the recess 412 on the chassis 410 of checkered plate assembly 400.When checkered plate assembly 400 is coupled to pedal assembly 450, checkered plate contact member 478A and pedal contact member 478B is in direct contact with one another, and prevents the wearing and tearing of the residual surface of pedal assembly 450 and checkered plate assembly 400.

Figure 16 A-16D depicts another embodiment of pedal assembly and checkered plate assembly, wherein pedal assembly 650 (Figure 16 C-16D) comprises forward direction checkered plate retainer 680a and backward checkered plate retainer 680b, with provide protrude with forward direction checkered plate respectively 620 and backward checkered plate protrude 622 couple and engage (Figure 16 A-16B).Checkered plate assembly 600 comprises the inside laterally protrusion 632 be formed in checkered plate assembly 600 further and protrudes 634, to be placed in the top of inside supporting pad 652 and outside supporting pad 654 respectively with outwards horizontal.Supporting pad 652,654 is arranged along principal axis A-A.Laterally protrude 632,634 and comprise recess 677, recess 677 holds pedal contact member 678B.Similarly, inside and outside supporting pad 652,654 comprises recess similarly to hold checkered plate contact member 678A.Therefore, when checkered plate assembly 600 and pedal assembly 650 be in couple joint time, checkered plate contact member 678A directly in the face of and physical contact pedal contact member 678B.

In specific preferred embodiment, one or two material being greater than hardened steel by the observed reading with hardness in checkered plate and pedal contact member is made.

Non-metal is such as ceramic, and more preferably, carbide metal represents a type of this applicable material.Carbide metal be usually characterised in that have be 9 or higher Mohs' scale of hardness, and carbide metal comprises carborundum, boron carbide, carbonized tungsten and titanium carbide.Carbide metal is preferred, because their feature is to have high hardness, non-friable, withstanding corrosion and the bonding on opposing and other surfaces when there is friction.

Therefore, in a preferred embodiment, described material have be greater than 7.0 Mohs' scale of hardness and be made up of non-metal or carbide metal, preferably select from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

Rule is herein that at least one (even two) in two pedals of the contact point represented between pedal assembly and checkered plate assembly and checkered plate mating surfaces are greater than hardened steel (such as by the observed reading with hardness, be greater than the Mohs' scale of hardness of 7.0) material make, preferably be made up of non-metal or carbide metal, preferably select from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

Be not limited in the scope of specific preferred embodiment disclosed herein in this description and claimed the present invention, because these embodiments intention is as the explanation of some aspects of the present invention.And except shown and described herein except those, various amendment of the present invention will be become apparent for those skilled in the art by description above.These amendments also intention fall in the scope of claims.

All the elements disclosed in following patent are incorporated to this literary composition by reference: the U.S. Patent No. 7,877,904 that on February 1st, 2011 is issued; The U.S. Patent No. 7,472,498 that on January 6th, 2009 is issued; The open No.2012/0103131 of the U.S. disclosed in 3,6,494,117 and 2012 on Mays of U.S. Patent No. that on December 17th, 2002 is issued.

Claims

1. a checkered plate assembly, it comprises:

There is the checkered plate main body of at least one coupling area; And

Be configured to be maintained at least one coupling area described or at least one element be arranged at least one coupling area described;

At least one coupling area wherein said is positioned in the forward end of described checkered plate main body or backward end, so that at least one element described can serve as the part of cam face against bicycle pedal; And

At least one element wherein said is configured to rotation or hinged being beneficial to when it is maintained at least one coupling area described or is arranged at least one coupling area described and discharges described checkered plate assembly from described bicycle pedal.

2. checkered plate assembly according to claim 1, at least one coupling area wherein said is at least one recess that described checkered plate assembly is formed, and the shape of at least one element wherein said is designed to be received at least one recess described.

3. checkered plate assembly according to claim 2, wherein:

At least one recess described comprises at least two recesses; And

At least one element described comprises at least two elements.

4. checkered plate assembly according to claim 1, at least one element wherein said has substantial cylindrical shape.

5. checkered plate assembly according to claim 4, wherein said substantial cylindrical shape has circular upper edge.

6. checkered plate assembly according to claim 1, wherein when described checkered plate assembly is released from described bicycle pedal, the described rotation of at least one element described or the hinged friction reduced between described checkered plate assembly and described bicycle pedal.

7. checkered plate assembly according to claim 1, wherein when described checkered plate assembly is released from described bicycle pedal, the described rotation of at least one element described or to be hingedly beneficial to relative to checkered plate main body described in described bicycle pedal pivotable.

8. checkered plate assembly according to claim 1, the material that at least one element wherein said is greater than hardened steel by the observed reading with hardness is made.

9. checkered plate assembly according to claim 8, wherein said material comprises carbide metal.

10. checkered plate assembly according to claim 9, wherein said carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

11. 1 kinds of pedals and checkered plate assembly, comprise:

Pedal assembly, it comprises

There is the pallet body of first end and the second end,

Near the first retainer that the described first end of described pallet body is installed, and

Near the second retainer that described second end of described pallet body is installed; And

Checkered plate assembly, it is configured to be couple to described pedal assembly releasedly, and described checkered plate assembly comprises

There is the checkered plate main body of at least one coupling area, and

At least one element, its shape is designed to be maintained at least one coupling area described or is arranged at least one coupling area described;

At least one coupling area wherein said is positioned in the forward end of described checkered plate main body or backward end, so that at least one element described can serve as cam face against described first retainer or the second retainer; And

At least one element wherein said is configured to rotation or hinged being beneficial to when it is maintained at least one coupling area described or is arranged at least one coupling area described and discharges described checkered plate assembly from described pedal assembly.

12. pedals according to claim 11 and checkered plate assembly, at least one coupling area wherein said is at least one recess formed in described checkered plate main body.

13. pedals according to claim 12 and checkered plate assembly, wherein:

At least one recess described comprises at least two recesses; And

At least one element described comprises at least two elements.

14. pedals according to claim 11 and checkered plate assembly, at least one element wherein said has substantial cylindrical shape.

15. pedals according to claim 14 and checkered plate assembly, wherein said substantial cylindrical shape has circular upper edge.

16. pedals according to claim 15 and checkered plate assembly, wherein said circular upper edge is described cam face.

17. pedals according to claim 11 and checkered plate assembly, wherein when described checkered plate assembly is released from described pedal assembly, the described rotation of at least one element described or the hinged friction reduced between described checkered plate assembly and described pedal assembly.

18. pedals according to claim 11 and checkered plate assembly, wherein when described checkered plate assembly is released from described pedal assembly, the described rotation of at least one element described or to be hingedly beneficial to relative to checkered plate main body described in described pallet body pivotable.

19. pedals according to claim 11 and checkered plate assembly, the material that at least one element wherein said is greater than hardened steel by the observed reading with hardness is made.

20. pedals according to claim 19 and checkered plate assembly, wherein said material comprises carbide metal.

21. pedals according to claim 20 and checkered plate assembly, wherein said carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

22. 1 kinds of checkered plate assemblies, it is arranged to the downside being attached to footwear, so that described footwear couple joint to bicycle pedal, described checkered plate assembly comprises:

Limit the checkered plate of one or more pedal contact area, described pedal contact area is configured to oppose in opposite directions with pedal surface, each in described one or more pedal contact area all comprises at least one checkered plate part, and the material that described checkered plate part is greater than hardened steel by the observed reading with hardness is made.

23. checkered plate assemblies according to claim 20, wherein said one or more pedal contact area is plane substantially.

24. checkered plate assemblies according to claim 20, each in wherein said one or more pedal contact area all comprises the recess with shape, and described checkered plate part be can be positioned on described in there is the element in the recess of shape and substantially flush with described pedal contact area.

25. checkered plate assemblies according to claim 20, wherein said pedal contact area is positioned on described checkered plate, to contact described pedal surface along main shaft.

26. checkered plate assemblies according to claim 23, wherein said pedal contact area is positioned on the opposite side of described checkered plate assembly, to contact the described surface on described bicycle pedal along the position, inner side and outer side of described main shaft.

27. checkered plate assemblies according to claim 20, wherein said pedal contact area orientate as in the front edge of described checkered plate assembly and lagging dege one or two.

28. checkered plate assemblies according to claim 22, wherein said material comprises carbide metal.

29. checkered plate assemblies according to claim 29, wherein said carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

30. 1 kinds of pedal assemblies, it is configured to the attached checkered plate assembly be arranged on the downside of footwear, so that described checkered plate assembly couples joint to described footwear, described pedal assembly comprises:

Pallet body, described pallet body comprises the surface of one or more basic plane, described surface comprises checkered plate contact area, described checkered plate contact area is configured to oppose in opposite directions with checkered plate, described checkered plate contact area comprises at least one pedal part, and the material that described pedal part is greater than hardened steel by the observed reading with hardness is made.

31. pedal assemblies according to claim 30, wherein said one or more checkered plate contact area comprises the recess with shape, and described pedal part be can be positioned on described in there is the element in the recess of shape and substantially flush with described checkered plate contact area.

32. pedal assemblies according to claim 30, wherein said checkered plate contact area is along the main shaft orientation of described pedal assembly.

33. pedal assemblies according to claim 32, wherein said checkered plate contact area is positioned on the inner side and outer fix of described main shaft.

34. pedal assemblies according to claim 30, wherein said material comprises carbide metal.

35. pedal assemblies according to claim 34, wherein said carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.

36. 1 kinds of pedals and checkered plate assembly, it comprises:

There is the pallet body of checkered plate contact area;

Checkered plate main body, it is configured to couple joint with described pallet body, and described checkered plate main body has the pedal contact area opposed in opposite directions with described checkered plate contact area;

Wherein said checkered plate main body couples to engage make described checkered plate be in direct physical with the appropriate section of pedal contact area to contact to described pallet body; And

The material that any one or two in the appropriate section of wherein said checkered plate or pedal contact area are greater than hardened steel by the observed reading with hardness is made.

37. pedals according to claim 36 and checkered plate assembly, the material that the described part of wherein said checkered plate assembly is greater than hardened steel by the observed reading with hardness is made.

38. pedals according to claim 36 and checkered plate assembly, the material that the described part of wherein said pedal assembly is greater than hardened steel by the observed reading with hardness is made.

39. pedals according to claim 36 and checkered plate assembly, the material that the described part of wherein said pedal and checkered plate assembly is greater than hardened steel by the observed reading with hardness is made.

40. according to pedal assembly according to claim 39, and wherein said part is along the main shaft orientation of described pedal assembly.

41. checkered plate assemblies according to claim 36, wherein said material comprises carbide metal.

42. checkered plate assemblies according to claim 41, wherein said carbide metal is selected from the group be made up of carborundum, boron carbide, carbonized tungsten and titanium carbide.